1700mAh Smart Storage Battery High-Performance 727258-B21

Key features

• Compatible Models This replacement battery Replacement for HP MC96 Smart Array P440 P440AR P441 P840 P840AR P841, Battery Model: 727258-B21. Confirm your device model matches before purchase.
• New Capacity 1700mAh High capacity, brand new 0-cycle cell. Higher capacity than original battery for longer runtime.
• Easy Installation Exact fit as original battery. Beginners are recommended to watch replacement tutorials on YouTube before disassembly.
• Multi-Safety Protection Equipped with smart IC chip, the battery features safeguards against overcharging, overdischarging, overheating and short circuits for superior safety.
• Reliable Customer Care 12-Month Return & Exchange, fast customer support.

★ ★ ★ Product Description 1. Battery Model: 727258-B21 2. Fit: Replacement for HP MC96 Smart Array P440 P440AR P441 P840 P840AR P841 3. Capacity: 1700mAh ★ ★ ★ Important Notes 1. Double‑check your battery or device model prior to purchase to avoid wrong‑item orders. 2. Long‑term charge below 20% degrades battery performance. Keep battery level between 20%‑80%. 3. Charge using the original charger and cable. 4. After installation, fully drain then fully charge the battery. Complete 3‑5 full charge‑discharge cycles for optimal capacity. 5. Idle batteries self‑discharge and risk damage. Charge periodically for long‑term storage to retain battery activity. 6. If the battery fails to charge, charge for 10 hours with a high‑power charger (original charger as alternative). Shipping may activate battery self‑protection requiring charging‑based activation.

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